47 lines
1.9 KiB
JavaScript
47 lines
1.9 KiB
JavaScript
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function _slicedToArray(arr, i) { return _arrayWithHoles(arr) || _iterableToArrayLimit(arr, i) || _nonIterableRest(); }
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function _nonIterableRest() { throw new TypeError("Invalid attempt to destructure non-iterable instance"); }
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function _iterableToArrayLimit(arr, i) { if (!(Symbol.iterator in Object(arr) || Object.prototype.toString.call(arr) === "[object Arguments]")) { return; } var _arr = []; var _n = true; var _d = false; var _e = undefined; try { for (var _i = arr[Symbol.iterator](), _s; !(_n = (_s = _i.next()).done); _n = true) { _arr.push(_s.value); if (i && _arr.length === i) break; } } catch (err) { _d = true; _e = err; } finally { try { if (!_n && _i["return"] != null) _i["return"](); } finally { if (_d) throw _e; } } return _arr; }
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function _arrayWithHoles(arr) { if (Array.isArray(arr)) return arr; }
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import * as React from 'react';
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export default function useControlledState(defaultStateValue, option) {
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var _ref = option || {},
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defaultValue = _ref.defaultValue,
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value = _ref.value,
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onChange = _ref.onChange,
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postState = _ref.postState;
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var _React$useState = React.useState(function () {
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if (value !== undefined) {
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return value;
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}
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if (defaultValue !== undefined) {
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return typeof defaultValue === 'function' ? defaultValue() : defaultValue;
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}
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return typeof defaultStateValue === 'function' ? defaultStateValue() : defaultStateValue;
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}),
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_React$useState2 = _slicedToArray(_React$useState, 2),
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innerValue = _React$useState2[0],
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setInnerValue = _React$useState2[1];
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var mergedValue = value !== undefined ? value : innerValue;
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if (postState) {
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mergedValue = postState(mergedValue);
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}
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function triggerChange(newValue) {
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setInnerValue(newValue);
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if (mergedValue !== newValue && onChange) {
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onChange(newValue, mergedValue);
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}
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}
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return [mergedValue, triggerChange];
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}
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